Power supplies — Nissei
Nissei PS-30 SWII 30 A switch-mode
Switch-mode power supply 9–15 V, 25 A continuous and 30 A max, with noise offset control
The Nissei PS-30 SWII is a switch-mode power supply for amateur radio equipment, with a low-ripple circuit delivering 25 A continuous and 30 A max, protected against overload and short circuit.
Product description
Light and compact, it has a die-cast light alloy case. The noise offset control shifts the switching frequency: in case of interference it moves it out of the amateur bands.
A switch lets you choose between fixed and variable voltage (9–15 V). The outputs include the 30 A terminals, auxiliary terminals up to 3 A and a cigarette lighter socket up to 10 A.
Key features
Noise offset
Moves interference out of band.
30 A max
25 A continuous.
Fixed or variable
13.8 V / 9–15 V switch.
Technical specifications
| Output voltage | 9–15 V adjustable or fixed |
| Current | 25 A continuous · 30 A max |
| Outputs | 30 A terminals, 3 A terminals, 10 A cigarette lighter socket |
| Meter | Volts / amps |
| Adjustments | Voltage, noise offset |
| Cooling | Forced-air fan |
| Enclosure | Die-cast light alloy |
HamRadioShop | Power supplies
